Gypsum
Mobile handling for raw gypsum rock and ground plaster across quarries, wallboard plants and cement additive duties.
SANTO supplies mobile conveying, stacking and loading equipment engineered for gypsum — from receiving and stockpiling to reclaim and load-out. The notes below cover the properties that matter, the problems that typically appear on site and the machines we recommend.
Why Mobile Conveying Suits Gypsum
Gypsum is a soft sulfate mineral (CaSO₄·2H₂O) with bulk density 1.0–1.5 t/m³ that is friable and dusty when ground. The radial telescopic stockpiler builds compact raw and ground piles with low drop to limit plaster dust.
- Low-drop stacking limits plaster dust generation
- Gentle handling avoids over-crushing soft rock
- Radial telescopic reach builds dense, compact piles
- Enclosed transfer contains fine ground gypsum
- Mobile units serve quarry, plant and cement additive
Physical Properties and Handling Behaviour
The table below summarises the properties that decide belt specification, chute geometry and stacking method for this material. Values are typical ranges — actual figures vary with source and moisture content, so we test your sample before finalising a design.
| Property | Typical Value / Handling Impact |
|---|---|
| Bulk density | 1.0–1.5 t/m³ (raw and ground) |
| Particle size | Lump rock to < 0.1 mm plaster |
| Abrasiveness | Low when dry; soft but dusty |
| Angle of repose | 35–40° for lump; steep for fines |
| Handling note | Control dust when ground; avoid over-crushing |
Handling Challenges with Gypsum — and How SANTO Solves Them
Ground gypsum is a fine, dusty powder that breaches permits if airborne, while raw rock is soft and breaks down if dropped hard, wasting saleable lump.
SANTO radial telescopic stockpilers and conveyors use low-drop, enclosed transfer to keep dust down and preserve lump size. The mobile train serves quarry, wallboard and cement additive duties from one asset.
- Keep drop height low to limit plaster dust
- Enclose transfer of ground gypsum fines
- Handle raw rock gently to preserve lump size
Recommended SANTO Equipment
For gypsum we most often supply the machines listed below. Each can be configured with the belt width, boom length and drive power your tonnage requires, and each is available on wheeled, tracked or crawler chassis.
- Radial Telescopic Stockpiler — configured for gypsum duty
- Tracked Radial Stacker — configured for gypsum duty
- Feeder Track Stacker — configured for gypsum duty
- Wheeled Mobile Conveyor — configured for gypsum duty
Typical Stockpiling and Loading Setups
A well-planned gypsum yard keeps receiving, stacking and reclaiming on separate paths so trucks never queue behind a loader. In the most common layout, a mobile conveyor receives from the tipper or hopper and feeds a radial telescopic stacker that builds a layered stockpile, while a second conveyor reclaims to the loading point.
- Receiving: hopper or direct truck discharge into a mobile conveyor
- Stacking: radial or telescopic stacking to build layered, drainable stockpiles
- Reclaim: front-end loader feeding a mobile conveyor, or direct reclaim conveyor
- Load-out: conveyor to truck, wagon, barge or vessel hold
Frequently Asked Questions
How is gypsum dust controlled?
Low-drop, enclosed transfer points keep ground plaster fines contained during stacking and loadout.
Why handle raw rock gently?
Soft gypsum breaks down if dropped hard; gentle conveying preserves saleable lump for wallboard and cement.
Can one system serve quarry and plant?
Yes. The mobile stocker and conveyors relocate between gypsum quarry, wallboard line and cement additive use.
Need the right machine for your site?
Send us your material, required capacity and site layout. SANTO engineers will size the equipment and return a configuration proposal within 12 hours — no obligation.